// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright ( C ) 2013 - 2014 , International Business Machines
* Corporation and others . All Rights Reserved .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* collationtailoring . h
*
* created on : 2013 mar12
* created by : Markus W . Scherer
*/
#ifndef __COLLATIONTAILORING_H__
#define __COLLATIONTAILORING_H__
#include "unicode/utypes.h"
#if !UCONFIG_NO_COLLATION
#include "unicode/locid.h"
#include "unicode/unistr.h"
#include "unicode/uversion.h"
#include "collationsettings.h"
#include "uhash.h"
#include "umutex.h"
#include "unifiedcache.h"
struct UDataMemory;
struct UResourceBundle;
struct UTrie2;
U_NAMESPACE_BEGIN
struct CollationData;
class UnicodeSet;
/**
* Collation tailoring data & settings .
* This is a container of values for a collation tailoring
* built from rules or deserialized from binary data .
*
* It is logically immutable : Do not modify its values .
* The fields are public for convenience .
*
* It is shared , reference - counted , and auto - deleted ; see SharedObject .
*
* U_I18N_API because genuca & genrb use it .
*/
struct U_I18N_API_CLASS CollationTailoring :
public SharedObject {
U_I18N_API CollationTailoring(
const CollationSettings *baseSettings);
U_I18N_API
virtual ~CollationTailoring();
/**
* Returns true if the constructor could not initialize properly .
*/
U_I18N_API UBool isBogus() {
return settings == nullptr; }
U_I18N_API UBool ensureOwnedData(UErrorCode &errorCode);
U_I18N_API
static void makeBaseVersion(
const UVersionInfo ucaVersion, UVersionInfo vers
ion);
U_I18N_API void setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion);
U_I18N_API int32_t getUCAVersion() const ;
// data for sorting etc.
const CollationData *data; // == base data or ownedData
const CollationSettings *settings; // reference-counted
UnicodeString rules;
// The locale is bogus when built from rules or constructed from a binary blob.
// It can then be set by the service registration code which is thread-safe.
mutable Locale actualLocale;
// UCA version u.v.w & rules version r.s.t.q:
// version[0]: builder version (runtime version is mixed in at runtime)
// version[1]: bits 7..3=u, bits 2..0=v
// version[2]: bits 7..6=w, bits 5..0=r
// version[3]= (s<<5)+(s>>3)+t+(q<<4)+(q>>4)
UVersionInfo version;
// owned objects
CollationData *ownedData;
UObject *builder;
UDataMemory *memory;
UResourceBundle *bundle;
UTrie2 *trie;
UnicodeSet *unsafeBackwardSet;
mutable UHashtable *maxExpansions;
mutable UInitOnce maxExpansionsInitOnce;
private :
/**
* No copy constructor : A CollationTailoring cannot be copied .
* It is immutable , and the data trie cannot be copied either .
*/
CollationTailoring(const CollationTailoring &other) = delete ;
};
// U_I18N_API because gencolusb uses it.
struct U_I18N_API_CLASS CollationCacheEntry : public SharedObject {
U_I18N_API CollationCacheEntry(const Locale &loc, const CollationTailoring *t)
: validLocale(loc), tailoring(t) {
if (t != nullptr) {
t->addRef();
}
}
U_I18N_API ~CollationCacheEntry();
Locale validLocale;
const CollationTailoring *tailoring;
};
template <> U_I18N_API
const CollationCacheEntry *
LocaleCacheKey<CollationCacheEntry>::createObject(const void *creationContext,
UErrorCode &errorCode) const ;
U_NAMESPACE_END
#endif // !UCONFIG_NO_COLLATION
#endif // __COLLATIONTAILORING_H__
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